Here are upgrades and modifications we have made to our 2019 2108DS (so far). We almost exclusively dry camp which may explain some of the mods. If you click to look at a specific photo you will see some detail I wrote about each mod, and you can go forward/back through the photos from there.

My PD4655LIV replacement of the OEM WFCO charger is able to charge my two Battle Born lithium batteries at up to 35 amps maximum due to the cable lengths. Rather than replace those 6 AWG cables, I added an additional converter instead! The extra charger is only plugged in when rapid charging is needing, and the pair of chargers together put in over 80 amps and even more when solar is active. A small Honda generator can easily deliver this kind of power.

All the micro-minnies are likely very similar. Here are photos of access panels and stuff. Hover over or click each picture for some more info about what you are looking at

I made a battery box for our dual Battleborn battery setup in our 2019 2108DS. The box is missing sides simply because there isn't any room to spare! The end has a top section with breaker that I hope to rarely open, and the bottom for connections. I have handles to easily remove the unit for the winter months.

Side project to relocate the entrance light switch on a 2019 2108DS TT

Battle Born battery install into a 2108DS

In prep for lithium batteries I replaced the WFCO 8955 with a Progressives Dynamics 4655LIV charger. This involved replacing the charger and 12v distribution panel, while the original WFCO cabinet and AC section remained. I started a thread on it here: https://www.winnieowners.com/forums/f260/2108ds-lithium-install-replacing-the-wfco-charger-with-a-pd4655liv-359008.html